Detroit Free Press: President Barack Obama will announce Tuesday a breakthrough compromise to set tough standards of 35.5 miles per gallon by 2016 for new cars and trucks in return for California backing off its push for more stringent rules on automakers. The rules could radically reshape the U.S. automotive industry by forcing automakers to push higher levels of technology such as hybrid-electric drives into vehicles faster than once planned. The deal fulfills Obama’s campaign promise to push Detroit …